Report of the Kew Committee. 487 



Table II. 



Observations of the Absolute Measure of Horizo ntal Force. 



~\/r 4-1- 



iviontli. 



A. 



mean. 



Log ««X 

 mean. 



Value oi m. 



1888. 











9-11991 



0-30822 



0-51768 





9 -11952 



-30828 



0-51749 





9-11977 



-30826 



0-51763 



1889. 











9 -11946 



'30842 



0-51754 



February 28th 



9-11914 



-30839 



0-51751 





9-11925 



-30844 



-51742 



April 29th and 30th 



9-11919 



0-30843 



-51738 





9 -11876 



0-30860 



0-51723 



June 26th and 27th 



9-11873 



-30857 



0-51721 





9 -11846 



0-30845 



0-51696 



August 29th 



9-11852 



0-30847 



-51701 





9 -11830 



0-30833 



0-51679 



Table III. — Solar Diurnal Range of the Kew Declination as derived 

 from selected quiescent days. 



Hour. 



Summer 



Winter 



Annual 



mean. 



mean. 



mean. 







1889. 







-o'-7 



Midnight 



-0-7 



-o'-8 



X 



-0-9 



-0-4 



-0-6 



2 



-1-1 



-0-4 



-0-7 



3 



-1-2 



-0-2 



-0-7 



4 



-1-6 



-0-4 



-1-0 



5 



-23 



-0-5 



-1-4 



6 



-2-9 



-0-6 



-1 -8 • 



7 



-3-5 



-0-7 



-2-1 



8 



-3-5 



-1-0 



-2-2 



9 



-2-7 



-1-0 



-1-9 



10 



-0-7 



-0-2 



-0-5 



11 



+ 1-8 



+ 1-2 



+ 1-5 



JNoon 



+ 4-0 



-1-2-5 



+ 3-2 



13 



+ 5-3 



+ 2-9 . 



+ 4-1 



14 



+ 4-7 



+ 21 



+ 3-4 



15 



+ 3-2 



+ 1-2 



+ 2-2 



16 



+ 1-6 



+ 0-5 



+ 1-1 



17 



+ 0-6 



+ o-i 



+ 0-3 



18 



o-o 



-01 



o-o 



19 



-o-i 



-03 



-0-2 



20 



-0-3 



-0-6 



-0-5 



21 



-0-3 



-0-9 



-0-6 



22 



-0-2 



-0-9 



-0-6 



23 



-0-4 



-0-9 



-0-7 



When the sign is + the magnet points to the west of its mean position. 

 # rn = magnetic moment of vibrating magnet. 



2 k 3 



